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Madrid has an electric-bicycle sharing program (www.bicimad.com) with a network of 1,600 bikes distributed in 124 stations across the city. Locals can purchase a yearly membership, but visitors can pay per ride, buying a ticket at each service station. The bikes can be borrowed from, and returned to, any station in the system. Occasional users pay €2 for the first half hour and €4 for each successive half hour.